public NamePtg(RecordInputStream in) 
{
        field_1_label_index = in.readShort();
        field_2_zero        = in.readShort();
}

Creates new NamePtg

 public NamePtg(String name,
    HSSFWorkbook book) 
{
   // reserved must be 0
        field_1_label_index = (short)(1+getOrCreateNameRecord(book, name)); // convert to 1-based
}

Creates new NamePtg and sets its name index to that of the corresponding defined name record in the workbook. The search for the name record is case insensitive. If it is not found, it gets created.

 public byte getDefaultOperandClass() 
{
		return Ptg.CLASS_REF;
}

 public int getIndex() 
{
        return field_1_label_index-1; // convert to zero based
}

 public int getSize() 
{
        return SIZE;
}

 public String toFormulaString(HSSFWorkbook book) 
{
    	return book.getNameName(field_1_label_index - 1);
}

 public  void writeBytes(byte[] array,
    int offset) 
{
        array[offset+0]= (byte) (sid + getPtgClass());
        LittleEndian.putShort(array,offset+1,field_1_label_index);
        LittleEndian.putShort(array,offset+3, field_2_zero);
}